Flight OddsDL638 BUF → DTW
Delta Air Lines · Buffalo, NY to Detroit, MI · 38 flights observed, 2026-01-05 to 2026-02-11 · 241 mi
DL638 covers more than one route in the data window — the stats below are for BUF → DTW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
70%
Median delay
-4 min
90th percentile
+38 min
Cancellation rate
3%
How often is DL638 on time?
Across 38 flights on BUF → DTW from 2026-01-05 to 2026-02-11, DL638 arrived within 15 minutes of schedule 70% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +38 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 26 | 70% |
| 16-30 min | 7 | 19% |
| 31-60 min | 1 | 3% |
| 61-120 min | 2 | 5% |
| 2+ hrs | 1 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 26 | 73% | +17 min |
| 2026-02 | 11 | 64% | +1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 80% |
| Tue | 6 | 67% |
| Wed | 6 | 100% |
| Thu | 5 | 20% |
| Fri | 5 | 80% |
| Sat | 5 | 60% |
| Sun | 5 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…